.one {
    width: 100%;
}

h1 {
    height: 20px;
}

h2 {
    height: 10px;
}
ul{
    list-style-type: disc;
}
span {

    border-bottom: 3px solid blue;
    padding-bottom: 8px;
}

h3 {
    text-align: center;
    font-size: 20px;
    margin-bottom: 20px;
}

h4 {
    text-align: center;
    color: cornflowerblue;
    font-size: 25px;
    margin-top: 30px;
    margin-bottom: 40px;
}

h5 {
    text-align: center;
    color: cornflowerblue;
    margin-top: 50px;
    font-size: 14px;
}

h6 {
    text-align: center;
    font-size: 14px;
    margin-top: 30px;
    margin-bottom: 30px;

}

p {
    text-align: center;
    font-size: 13px;
    color: grey;
    margin-bottom: 50px;
    line-height: 30px;
}

li {
    width: 200px;
    font-size: 13px;
    float: left;
    margin-left: 20px;
    padding-bottom: 16px;
}

.two {
    width: 1090px;
    margin: 0 auto;
    margin-top: 100px;
}

li {
    width: 260px;
    margin-left: 60px;
}

.buju {
    clear: both;
}

.jl {
    margin-bottom: 100px;
}

.three {
    width: 230px;

    padding: 1px;
}

.four {
    width: 90vw;
    height: 400px;
    margin: 0 auto;
}

.div1 {
   list-style: none;
   width: 200px;
   height: 200px;
   margin:0 38px;

}
.tz{
    margin-top: 50px;
}
.lk{
    width: 500px;
}
.tt{
    margin-bottom: 60px;
}
.five-liebiao{
    margin: 0 auto;
    margin-bottom: 300px;
}
.five{
    width: 1400px;
    margin: 0 auto;
}
.six{
    width: 200px;
}